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Table 5 Correlation between modified PPI and demographic, clinical characteristics and neurocognition tasks in patients and controls

From: Deficits of perceived spatial separation induced prepulse inhibition in patients with schizophrenia: relationships to symptoms and neurocognition

Variables

HC

SZ

startle

PSC-PPI

PSS-PPI

startle

PSC-PPI

PSS-PPI

Gender

0.19

0.38*

0.39*

−0.15

−0.23

−0.17

Age

0.02

0.25

0.21

0.11

0.09

0.11

Education

−0.01

0.11

−0.11

−0.08

0.05

0.08

Cigarettes per day

−0.03

−0.06

−0.03

−0.13

−0.15

−0.06

Duration

   

0.09

0.14

0.13

Recurrence

   

0.13

−0.13

−0.06

Onset age

   

−0.10

−0.01

−0.08

CPZe

   

−0.07

−0.06

-0.10

PANSS Positive

   

−0.13

−0.16

-0.15

PANSS Negative

   

−0.13

−0.05

-0.09

PANSS General

   

−0.03

−0.20

-0.21

PANSS Total

   

−0.11

−0.15

-0.18

IMM

0.16

0.22

0.06

−0.14

0.20

0.12

VC

0.07

0.15

0.13

−0.06

0.05

-0.12

LAN

0.11

0.27

0.14

0.07

0.06

0.09

ATT

0.11

0.29*

0.28*

−0.03

0.14

0.18

DEM

-0.11

0.03

−0.17

−0.04

−0.04

-0.15

TOT

0.14

0.28*

0.31*

−0.01

0.08

-0.06

INT-C

0.51*

0.15

0.12

−0.13

0.04

0.02

INT-W

-0.05

−0.15

−0.29*

−0.02

0.10

0.12

  1. Note: SZ schizophrenia patients, HC healthy controls, PPI prepulse inhibition, PSC-PPI perceived spatial co-location PPI, PSS-PPI perceived spatial separation PPI. CPZe: neuroleptic chlorpromazine-equivalent dosage. PANSS: positive and negative syndrome scale, IMM immediate memory score, VC visuospatial/constructional score, LAN language score, ATT attention score, DEM delayed memory score, TOT total composite score, INT-C color interference time, INT-W word interference time; * p < 0.05